Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 25, issue 18
Articles | Volume 25, issue 18
https://doi.org/10.5194/acp-25-10837-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-10837-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 18
Research article
 | 
19 Sep 2025
Research article |  | 19 Sep 2025

SOA yields from C10 alkanes and oxygenates

Frans Graeffe, Kalle Kupi, Hilkka Timonen, and Mikael Ehn

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Short summary
Alkanes are a major part of anthropogenic emissions in urban areas, and known for producing secondary organic aerosol (SOA). We measured SOA yields of seven alkanes and their oxygenated derivatives in oxidation flow reactor (OFR) measurements to assess their role in SOA formation. In addition, we observed that cyclic structure enhances SOA production. Furthermore, our observations indicate that multi-generational hydroxyl radical (OH) oxidation is important in the SOA formation.
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